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125 lines
4.5 KiB
JavaScript
125 lines
4.5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
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"@mozilla.org/childprocessmessagemanager;1",
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"nsISyncMessageSender");
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function debug(aMsg) {
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//dump("-- ActivityProxy " + Date.now() + " : " + aMsg + "\n");
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}
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/**
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* nsIActivityProxy implementation
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* We keep a reference to the C++ Activity object, and
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* communicate with the Message Manager to know when to
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* fire events on it.
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*/
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function ActivityProxy() {
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debug("ActivityProxy");
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this.activity = null;
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let inParent = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULRuntime)
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.processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT;
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debug("inParent: " + inParent);
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Cu.import(inParent ? "resource://gre/modules/Webapps.jsm"
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: "resource://gre/modules/AppsServiceChild.jsm");
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}
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ActivityProxy.prototype = {
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startActivity: function actProxy_startActivity(aActivity, aOptions, aWindow) {
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debug("startActivity");
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this.window = aWindow;
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this.activity = aActivity;
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this.id = Cc["@mozilla.org/uuid-generator;1"]
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.getService(Ci.nsIUUIDGenerator)
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.generateUUID().toString();
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// Retrieve the app's manifest url from the principal, so that we can
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// later notify when the activity handler called postResult or postError
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let principal = aWindow.document.nodePrincipal;
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let appId = principal.appId;
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let manifestURL = (appId != Ci.nsIScriptSecurityManager.NO_APP_ID &&
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appId != Ci.nsIScriptSecurityManager.UNKNOWN_APP_ID)
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? DOMApplicationRegistry.getManifestURLByLocalId(appId)
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: null;
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// Only let certified apps enumerate providers for this filter.
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if (aOptions.getFilterResults === true &&
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principal.appStatus != Ci.nsIPrincipal.APP_STATUS_CERTIFIED) {
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Services.DOMRequest.fireErrorAsync(this.activity, "SecurityError");
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Services.obs.notifyObservers(null, "Activity:Error", null);
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return;
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}
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// Only let certified app to initiate this activitiy.
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if (aOptions.name === 'internal-system-engineering-mode' &&
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principal.appStatus != Ci.nsIPrincipal.APP_STATUS_CERTIFIED) {
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Services.DOMRequest.fireErrorAsync(this.activity, "SecurityError");
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Services.obs.notifyObservers(null, "Activity:Error", null);
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return;
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}
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cpmm.addMessageListener("Activity:FireSuccess", this);
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cpmm.addMessageListener("Activity:FireError", this);
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cpmm.sendAsyncMessage("Activity:Start",
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{
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id: this.id,
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options: {
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name: aOptions.name,
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data: aOptions.data
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},
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getFilterResults: aOptions.getFilterResults,
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manifestURL: manifestURL,
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pageURL: aWindow.document.location.href });
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},
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receiveMessage: function actProxy_receiveMessage(aMessage) {
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debug("Got message: " + aMessage.name);
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let msg = aMessage.json;
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if (msg.id != this.id)
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return;
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debug("msg=" + JSON.stringify(msg));
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switch(aMessage.name) {
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case "Activity:FireSuccess":
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debug("FireSuccess");
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Services.DOMRequest.fireSuccess(this.activity,
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Cu.cloneInto(msg.result, this.window));
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Services.obs.notifyObservers(null, "Activity:Success", null);
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break;
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case "Activity:FireError":
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debug("FireError");
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Services.DOMRequest.fireError(this.activity, msg.error);
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Services.obs.notifyObservers(null, "Activity:Error", null);
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break;
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}
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// We can only get one FireSuccess / FireError message, so cleanup as soon as possible.
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this.cleanup();
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},
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cleanup: function actProxy_cleanup() {
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debug("cleanup");
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if (cpmm && !this.cleanedUp) {
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cpmm.removeMessageListener("Activity:FireSuccess", this);
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cpmm.removeMessageListener("Activity:FireError", this);
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}
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this.cleanedUp = true;
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},
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classID: Components.ID("{ba9bd5cb-76a0-4ecf-a7b3-d2f7c43c5949}"),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIActivityProxy])
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}
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ActivityProxy]);
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